US20100248814A1 - Gaming machine security interface module - Google Patents
Gaming machine security interface module Download PDFInfo
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- US20100248814A1 US20100248814A1 US12/412,096 US41209609A US2010248814A1 US 20100248814 A1 US20100248814 A1 US 20100248814A1 US 41209609 A US41209609 A US 41209609A US 2010248814 A1 US2010248814 A1 US 2010248814A1
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- gaming machine
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- security
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G07F17/3202—Hardware aspects of a gaming system, e.g. components, construction, architecture thereof
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G07F17/3241—Security aspects of a gaming system, e.g. detecting cheating, device integrity, surveillance
Definitions
- This invention relates to security systems for wager-based gaming machines such as slot machines or video poker machines.
- a wide variety of devices can be used as components of a wager-based gaming machine such as a slot machine or video poker machine. Some examples of these devices are lights, coupon dispensers, card readers, bill validators, coin acceptors, coin hoppers, display panels, key pads, and gaming controllers. Many of these devices are built into the gaming machine while some are grouped into separate modules such as top boxes which may be placed on top of the machine.
- gaming machine devices are considered more critical to the gaming machine operations than others.
- devices that control the input and output of money from the gaming machine are generally considered critical devices.
- the gaming controller which controls the features of the game played on the gaming machine including the pay-out of a particular game as well as the gaming devices which output game pay-outs, is one of the most critical gaming devices, if not the most critical device.
- Specific examples of other critical devices include card readers, bill validators, ticket coupon readers, and coin acceptors which control the input of money into the gaming machine and note stackers, token dispensers, drop boxes and ticket/coupon dispensers which control the output of money from the gaming machine.
- Access to a particular gaming machine device depends on the type of device. Input devices such as bill validators, coin acceptors, and card readers or output devices such as coupon dispensers or token dispensers are directly accessible. These devices have at least one access mechanism on the outside of the gaming machine so that the gaming machine may either accept money or indicia of credits from players desiring to play the game or pay-out money to a player playing a game. However, access to the mechanisms controlling the operation of these devices is usually behind one or more doors provided on the gaming machine exterior. The gaming controller and the money storage devices such as bill stackers and drop boxes are less accessible. These devices are usually only accessible after opening one or more doors or other barriers which limit access to these critical devices.
- the doors which allow access to the critical devices are often secured with keyed locks. For security, when any of these doors are opened, the gaming machine stops normal game play operation and switches to an attention state. Thus, it is necessary to detect whether a door is open or closed via an electronic means so that the operating software utilized by the gaming controller can take appropriate action.
- Another access mechanism to gaming devices including bill validators, coin acceptors, token dispensers, gaming controllers, and coupon dispensers is through wires which accept and transmit signals which control the operation of the device.
- many of the associated gaming devices are controlled in some manner by the gaming controller located within the gaming machine.
- the control of a gaming device is enabled by the wires which connect a gaming device to the gaming controller.
- the gaming controller may send out a signal to a coupon dispenser, located in some other part of the gaming machine away from the gaming controller, instructing the coupon dispenser to dispense a coupon representing the pay-out.
- a coupon dispenser located in some other part of the gaming machine away from the gaming controller, instructing the coupon dispenser to dispense a coupon representing the pay-out.
- a common mode of theft for gaming machines involves accessing the devices which control the input and output of money to the gaming machine through some access mechanism and manipulating the devices in some manner to obtain an illegal pay-out.
- one type of theft might involve simply taking money from a drop box while a gaming machine is being accessed for maintenance.
- Another type of theft might involve illegally gaining access to the gaming controller and reprogramming the gaming controller to pay-out an illegal jack pot.
- Another type of theft might involve compromising the wires to a coupon dispenser and sending a signal instructing it to dispense coupons with some monetary value.
- One method for preventing theft is installing a security system which monitors the various access mechanisms of a gaming machine.
- security systems of this type monitor access to the various entry ports within the gaming machine as well as the wires to some gaming devices.
- the security system monitors access to the entry port by sending out signals to sensors able to detect whether access to the entry port has occurred.
- the entry port contains a sensor device that forms some type of closed circuit when the entry port is closed and an open circuit when the entry port is open.
- Security monitoring of access to the gaming machine is usually implemented in some manner by the gaming controller during normal operations of the gaming machine in conjunction with some security monitoring hardware independent of the gaming controller.
- the security monitoring by the gaming controller is implemented while the gaming machine is receiving power from an external power source such as AC power from a power outlet. However, when such power is turned off, security monitoring may cease, providing opportunities for theft or other interference.
- a security monitoring system that is separate from the gaming controller stores data regarding security events (such as a door opening) even when the gaming controller is powered down.
- security events such as a door opening
- the security monitoring system might store information regarding whether a particular entry port was accessed during a particular period of time. This information can later be used to determine when a theft has occurred or when tampering with the gaming machine has occurred.
- recorded information does not generally help to detect security breaches in real-time.
- a wager-based gaming machine includes a security interface module which provides security monitoring even when power is switched off to other portions of the gaming machine.
- a security interface module has a network connection that allows it to independently continue to communicate with a backend system.
- the security interface module may be located in a secure enclosure to limit access.
- a networked electronic wager-based gaming machine includes an electronic gaming module that has a first connection to a data network, the electronic gaming module receiving power over a first power connection that includes a power switch; and a security interface module that has a second connection to the data network, the security interface module receiving power over a second power connection that does not include the power switch so that the security interface module receives power independently of the power switch.
- a method of operating a networked wager-based gaming machine includes the steps of performing one or more security functions in an electronic gaming module, the electronic gaming module connected to a data network by a first data connection; monitoring power provided to the electronic gaming module; and in response to detecting a loss of power to the electronic gaming module, performing the one or more security functions in a security interface module, the security interface module connected to the data network by a second data connection, the security interface module receiving power separately from the electronic gaming module.
- a networked electronic wager-based gaming machine includes means for performing one or more security functions in an electronic gaming module, the electronic gaming module connected to a data network by a first data connection; means for monitoring power provided to the electronic gaming module; and means for performing the one or more security functions in a security interface module, the security interface module connected to the data network by a second data connection, the security interface module receiving power separately from the electronic gaming machine.
- FIG. 1 shows an example of a wager-based gaming machine.
- FIG. 2 shows another example of a wager based gaming machine, with doors open to show internal components.
- FIG. 3 shows an example of a wager-based gaming machine that is connected to a network.
- FIG. 4 shows an example of a wager-based gaming machine that has a security interface module that monitors door switches and devices, and which has an independent network connection.
- FIG. 5 shows an example of a wager-based gaming machine that includes a security interface module protected by a secure enclosure.
- FIG. 6 shows an example of a wager based gaming machine with multiple components connected to a security interface module.
- FIG. 7 is a flowchart showing an example of operation of a security interface module in a wager-based gaming machine.
- Machine 2 includes a main cabinet 4 , which generally surrounds the machine interior (not shown) and is viewable by users.
- the main cabinet includes a main door 8 on the front of the machine, which opens to provide access to the interior of the machine.
- the main door 8 and/or any other portals which provide access to the interior of the machine utilize a locking mechanism of some sort as a security feature to limit access to the interior of the gaming machine.
- various types of sensors may be employed at these entry portals to determine when an access has occurred. For example, the sensor may detect when the door is actuated from a closed position to an open position.
- Monitoring of these sensors may be carried out by hardware (not shown) located within the main cabinet 4 . Attached to the main door are player-input switches 32 , a coin acceptor 28 , and a bill validator 30 , a coin tray 38 , a belly glass 40 , and a monitor mask 42 .
- the belly glass 40 has a door for maintenance purposes such as changing the glass or lights. This portal may provide indirect access to the interior of the gaming machine. For example, gaps may exist in the cabinet containing the lights for the belly glass.
- the display monitor 34 will typically be a cathode ray tube, high resolution flat-panel LCD, or other conventional electronically controlled video monitor.
- the information panel 36 is a back-lit, silk screened glass panel with lettering to indicate general game information including, for example, the number of coins played.
- the bill validator 30 , player-input switches 32 , video display monitor 34 , and information panel are devices used to play a game on the game machine 2 .
- the devices are controlled by circuitry (not shown) housed inside the main cabinet 4 of the machine 2 .
- Many possible games including traditional slot games, video slot games, video poker, keno, and lottery, may be provided with gaming machines of this invention.
- the gaming machine 2 includes a top box 6 , which sits on top of the main cabinet 4 .
- the top box 6 houses a number of devices including speakers 10 , 12 , 14 , a glass panel with display lamps 16 , a coupon dispenser 18 which prints bar-coded tickets 20 , a key pad 22 for entering player tracking information, a florescent display 24 for displaying player tracking information, and a card reader 26 for entering a magnetic striped card containing player tracking information.
- the top box 6 may contain an entry portal of some type (not shown) to access the devices contained within the top box. This entry portal may contain a lock and sensors for monitoring access to the portal. Further, access to devices within the top box 6 may be monitored.
- the coupon dispenser 18 may be used to print tickets for game credits.
- the coupon dispenser (not shown) may contain a door which allows access to the tickets utilized by the coupon dispenser. This entry portal may contain a lock and sensors for monitoring access to the portal.
- the devices housed in the top box 6 add features to a game played on the machine 2 . During a game, these devices are controlled, in part, by circuitry (not shown) housed within the main cabinet 4 of the machine 2 . Further, additional circuitry (not shown) housed within the main cabinet 4 may monitor access to the top box 6 and possibly some devices within the top box. Cables (not shown) are routed from the top box 6 to the interior of the gaming machine to enable these control and monitoring functions.
- the coin acceptor 28 or bill validator 30 When a user wishes to play the gaming machine 2 , he or she inserts cash through the coin acceptor 28 or bill validator 30 .
- the bill validator 30 or a similar device may read tickets with game credits.
- the cash or game tokens from the coin acceptor 28 and bill validator 30 may be stored in the interior of the main cabinet 4 in devices including note stackers, drop boxes, and token dispensers.
- the player may enter playing tracking information using the card reader 26 , the keypad 22 , and the florescent display 26 .
- the player views game information using the video display 34 .
- a player is required to make a number of decisions, which affect the outcome of the game.
- the gaming machine 2 may display visual and auditory effects that can be perceived by the player. These effects add to the excitement of a game, which makes a player more likely to continue playing. Auditory effects include various sounds that are projected by the speakers 10 , 12 , 14 . Visual effects include flashing lights, strobing lights or other patterns displayed from lights on the gaming machine 2 including lights behind the front glass 16 on the top box 6 or from lights behind the belly glass 40 .
- the player may receive game tokens from the coin tray 38 or the ticket 20 from the printer 18 , which may be used for further games. Further, the player may receive a ticket 20 for food, merchandise, or games from the printer 18 .
- FIG. 2 is a perspective drawing of a gaming machine having a top box 212 with the main door 200 open and the interior of the gaming machine 2 exposed.
- the main door 200 contains a locking mechanism 202 and a main door sensor 206 .
- the main door sensor 206 or any type of access sensor may be composed of two parts.
- one part of the sensor may be an emitter while the other part of the sensor may be a detector.
- the emitter and detector act like a switch in a circuit. When the detector is able to receive a signal of some type from the emitter, the sensor circuit is closed and signals may be passed through the circuit. When the detector is unable to receive a signal from the emitter the circuit will be open and a signal may not be passed through the circuit.
- the sensor emitter and sensor detector may be designed such that signals from the detector can only be received from the emitter when the door is closed.
- the main door sensor 206 may be composed of optical sensors which emit and detect light, magnetic sensors which emit and detect a magnetic field, or mechanical sensors which emit and detect current when the two parts of the sensor remain in contact with each other.
- the main door sensor 206 may have a second part mounted (not shown) on the inside of the main cabinet 204 which enables a closed circuit when the door is closed.
- the note stacker 220 stores bills accepted from the bill validator.
- the note stacker 220 may contain a door 221 which limits access to the bills stored within the note stacker 220 .
- the note stacker 220 is typically locked or secured in some manner.
- a sensor may be mounted on the note stacker door 221 to detect when the note stacker door 221 is accessed. Examples of access to the note stacker, which might be detected using a sensor of some type including an optical sensor, magnetic sensor or mechanical sensor, comprise opening a door to access the money stored within the note stacker or removing the note stacker from the gaming machine.
- the token dispenser 218 accepts coins or tokens from the coin acceptor and pays out winning from the gaming machine.
- the token dispenser 218 may dispense coins or tokens into the coin tray 222 mounted on the main door 200 of the gaming machine 2 .
- the token dispenser 218 may contain a door 219 which limits access to the tokens or coins stored within the token dispenser 218 . Access to the token dispenser 218 may be monitored using a sensor of some type and monitoring circuitry.
- the gaming machine 2 is located on top of a drop stand 224 .
- the drop stand 224 may contain a drop stand door 216 and a drop box 214 located within the drop stand 224 .
- the drop box 214 contains the house “take” from the gaming machine.
- the drop box 214 is typically locked within the drop stand 224 which may be accessed using the drop stand door 216 .
- the drop stand 224 door typically contains a locking mechanism to limit access to the drop box.
- Drop stand door 216 includes a door sensor 217 , which is connected to sensor monitoring circuitry to determine when the drop stand door 216 has been opened. Drop stand door sensor 217 is similar to main door sensor 206 .
- Processor board 210 which includes a master gaming controller is also located in the interior of the main cabinet 204 of the gaming machine 2 .
- the master gaming controller operates the games played on the gaming machine and the various devices needed to play to the game including the token dispenser 218 and the note stacker 220 .
- Access to the master gaming controller may be limited by one or more doors including the main door 200 .
- the master gaming controller which may be detached from the gaming machine, may be locked down using an additional device such as a retaining latch for additional security.
- One or more sensors including optical sensors, magnetic sensors and mechanical sensors may be placed near the master gaming controller to determine when one or more of the following events has occurred: 1) when doors allowing access to the gaming controller have been opened, 2) when a lock down device including the retaining latch for the gaming controller has been actuated, 3) when the gaming controller has been removed from its mounting bracket, 4) when a data port that allows the gaming controller to be programmed has been accessed or 5) when a lock to one of the access mechanisms including the door or the retaining latch has been unengaged.
- the sensor monitoring circuitry used to monitor the various access sensors may be located on the processor board 210 containing the gaming controller.
- Such a processor board may form an Electronic Gaming Module (EGM), which integrates various functions of the gaming machine into a single unit to simplify manufacturing and operation of the gaming machine.
- EGM Electronic Gaming Module
- board 210 is the EGM, although in other systems, the EGM may include additional components.
- Information from the various sensors may be carried to the gaming controller via wires contained within a wire harness 208 which go to the various devices and sensors located within the main cabinet 204 , main door 200 , and top box 212 .
- the top box 212 may be accessed via a top box access door 213 .
- the top box access door 213 typically contains a locking mechanism to limit access to the top box and a sensor may be connected to sensor monitoring security to determine when the top box access door has been opened.
- a printer 226 may be located within the top box 212 .
- the printer 226 may print tickets or coupons that may be used for additional game play on the gaming machine 2 or other gaming machines. Thus, the tickets or coupons stored within the printer 226 may be a target of theft. Access to the printer 226 may be limited by a printer access door 228 .
- the printer access door 228 typically contains a locking mechanism to limit access to the printer and a sensor may be connected to sensor monitoring circuitry to determine when the printer access door has been opened.
- a primary objective of the sensors and sensor monitoring circuitry may be gaming machine security.
- the gaming machine 2 may contain a significant amount of cash stored within the devices including the token dispenser 218 , the drop box 214 , and the note stacker 220 .
- the master gaming controller 210 determines when a pay-out such as a jackpot should be made for a given game. For gaming machines linked in large networks, the potential jackpots can be very large.
- one mode of theft involves manipulating the master gaming controller 210 to falsely reward a pay-out or jackpot.
- the sensors that indicate when access to the master gaming controller may have occurred are usually closely monitored using a security monitoring system of some type.
- Gaming machines and their associated devices may be physically configured in many different ways.
- the top box access door 213 may be located on the sides or back of the top box 212 or the drop stand door 216 may be located on the sides or back of the drop stand 224 .
- a note stacker or other devices potentially requiring a security monitoring system of some type might be located within the top box 212 .
- FIG. 3 shows a simplified block diagram of a networked wager-based gaming machine 300 .
- the gaming machine includes an EGM 302 , which in this example is a printed circuit board (PCB) on which a master gaming controller is mounted.
- the EGM 302 is connected to a plurality of door switches 304 (door switches are represented here by a single box, but it will be understood that actual door switches are separate units that are distributed at different locations).
- the EGM 302 is also shown as being connected to devices 306 (represented by a single box, although most systems have several devices connected to the EGM, including devices such as lights, coupon dispensers, card readers, bill validators, coin acceptors, coin hoppers, display panels, key pads, and gaming controllers).
- an identification device to allow an employee to identify themselves to gain access to the gaming system.
- a device may be a card reader, an RFID reader, a keypad or other suitable device.
- an employee Prior to opening a door, an employee may be able to identify themselves using such a device so that an alarm is not sent when a door open switch detects a door opening.
- Such an identification device may be integrated with other devices. For example, a player tracking unit that reads a player's card or RFID to determine the player's identity may also identify an employee. Alternatively, an employee identification device may be a separate dedicated device.
- the EGM 302 of FIG. 3 is connected to a data network 308 .
- a gaming machine may be reconfigured over a network so that games can be upgraded or replaced without physically accessing the gaming machine. This is particularly advantageous where a casino for example has a large number of gaming machines that need to be reconfigured. Whereas physically accessing each gaming machine can be time-consuming and may carry some risk of interference with gaming machines when they are opened, accessing gaming machines over a network can be faster and more secure.
- a backend unit 310 is connected to the network and may control and monitor aspects of the operation of the gaming machine.
- the backend unit 310 may include functions such a player tracking and certain security functions.
- any security related event such as activation of a door switch, or other unauthorized access would generally be reported to the backend unit 310 , where a determination can be made as to how to deal with the event. For example, an alarm may be sent to security staff who can direct cameras to the gaming machine where the event is occurring.
- the EGM 302 is also connected to a source of electrical power (AC input) 312 , which is typically an electrical outlet located under or behind the gaming machine.
- a switch 314 is provided to power down the EGM 302 .
- such a switch is located where it is only accessible to authorized employees.
- One drawback of the system of FIG. 3 is that when the EGM 302 is powered down by turning the switch 314 off, security functions are no longer provided by the EGM 302 . Also, when the EGM 302 is powered down, the network connection to the EGM is unavailable so that no security information is sent to the backend unit 310 . This means that no remote monitoring of the gaming machine 300 is performed when the EGM 302 is switched off.
- FIG. 4 shows an alternative gaming machine 420 in which a Security Interface Module (SIM) 422 is provided.
- An EGM 424 is provided as before, with a switched AC input 426 , and a network connection to network 428 .
- the SIM 422 has an unswitched AC input 430 . That is, the power to the SIM 422 is independent of the switch 432 controlling power to the EGM 424 . Thus, even when the EGM 424 is powered down, the SIM 422 remains powered up. The SIM 422 can maintain security even when power is switched off to the EGM 424 .
- the door switches 434 and devices 436 are connected to the SIM 422 , which monitors door switches and devices in a similar manner to the EGM.
- the SIM 422 also has its own network connection 438 so that it can communicate with the backend unit 442 (via the network) independently of the EGM.
- the SIM 422 performs security functions at all times (whether the EGM 424 is powered up or not), in which case the EGM 424 may not even be connected to door switches 434 and some devices 436 (dotted lines indicate connections that may or may not be present, depending on particular implementation).
- the EGM 424 performs security functions when it is powered up, and the SIM 422 only performs security functions when the EGM loses power. In this case, the SIM 422 must be aware of the status of the EGM 424 (as either powered up or powered down).
- the SIM 422 can become aware of the status of the EGM 424 by a dedicated connection 440 to the EGM by which the SIM monitors the EGM.
- the backend unit 442 can detect powering down of the EGM 424 and can alert the SIM 422 that the EGM 424 is powered down. In response, the SIM 422 starts to perform security functions.
- monitoring of security functions may be performed by both the EGM 424 and the SIM 422 in parallel. Both the EGM 424 and the SIM 422 may report back to the backend unit 442 , so that there is redundancy provided in monitoring, making it harder for anyone to interfere with the security functions. Input received by the backend unit 442 from the EGM 424 and the SIM 422 may be compared to determine if there is any discrepancy. If there is a discrepancy between information received from the EGM 424 and the SIM 422 , then appropriate action may be taken (e.g. an alarm may be sent). In other examples, such redundancy may be taken further, with separate networks provided for the EGM and the SIM.
- FIG. 5 shows another gaming machine 550 , which is similar to the gaming machine 420 of FIG. 4 , but with a secure enclosure 552 provided for the SIM 554 .
- the secure enclosure 552 may be for example a locked steel box, which makes access to the SIM 554 very difficult for a criminal.
- Included in the secure enclosure 552 is a battery 556 , which provides power independently of the AC input 558 . In this case, even if power is removed to the entire gaming machine 550 , the SIM 554 continues to operate and monitor door switches 560 and devices 562 .
- Network 564 may also have some emergency power supplies so that the network 564 continues to function without power and the backend unit 566 can continue to monitor gaming machines when power is removed.
- FIG. 6 shows a more detailed view of a gaming machine 668 that includes a SIM 670 and an EGM 672 (which may be in a secure enclosure with its own power supply).
- FIG. 6 shows the SIM 670 located in the gaming machine 668 , with connection to door switches 674 a - c in both the gaming machine 668 itself and in the machine stand 676 on which the gaming machine is positioned. While the SIM 670 is shown as being located in the gaming machine 668 , in other examples, the SIM may be located in the machine stand or in a top box, or in some other location.
- FIG. 6 also shows that the SIM 670 is connected to a communication network through a secondary system communications link 678 (the EGM is connected through a primary system communications link 680 ).
- the SIM 670 can communicate with a backend unit independently of the EGM 672 .
- the SIM 670 also has connections to various devices including a personal identification device 682 , a service window 684 , and a bill validator 686 so that the SIM can monitor these devices for any security events.
- the SIM 670 also has a direct connection to the EGM 672 so that the SIM can monitor the status of the EGM and can detect when the EGM changes between powered-up and powered-down conditions. Some devices are connected to both the EGM 672 and the SIM 670 (e.g. personal identification device 682 , and service window 684 ) and the SIM may perform monitoring of these devices when the EGM is powered down.
- the SIM 670 is connected to a power supply 688 that receives power from an unswitched power source 690 so that the SIM does not lose power when the power to the gaming machine is switched off.
- FIG. 7 shows a flowchart 701 which shows operation of a gaming machine according to an embodiment.
- a determination is made 703 as to whether the EGM has power or not. This determination can be made by the SIM, by the backend system, or by another unit. If it is determined that the EGM has power then the EGM reports all events to the backend system 705 , and the SIM reports security events to the backend system 707 .
- the EGM may provide an output to the service window 709 that indicates that it has power and the SIM may also provide an output to the service window 709 indicating that it is operational.
- Both the EGM and SIM communicate with the personal identification device 711 in this case, so that both modules monitor the identity of people interacting with the gaming machine.
- the EGM does not report to the backend system 713 , and a signal may be passed to the backend system 715 indicating that the EGM is unavailable.
- the SIM alone reports security events 707 to the backend system 715 in this case.
- the SIM receives power from an unswitched power source 717 so that it continues to receive power even when the EGM is powered down.
Abstract
Description
- This invention relates to security systems for wager-based gaming machines such as slot machines or video poker machines.
- A wide variety of devices can be used as components of a wager-based gaming machine such as a slot machine or video poker machine. Some examples of these devices are lights, coupon dispensers, card readers, bill validators, coin acceptors, coin hoppers, display panels, key pads, and gaming controllers. Many of these devices are built into the gaming machine while some are grouped into separate modules such as top boxes which may be placed on top of the machine.
- Some gaming machine devices are considered more critical to the gaming machine operations than others. In particular, devices that control the input and output of money from the gaming machine are generally considered critical devices. The gaming controller, which controls the features of the game played on the gaming machine including the pay-out of a particular game as well as the gaming devices which output game pay-outs, is one of the most critical gaming devices, if not the most critical device. Specific examples of other critical devices include card readers, bill validators, ticket coupon readers, and coin acceptors which control the input of money into the gaming machine and note stackers, token dispensers, drop boxes and ticket/coupon dispensers which control the output of money from the gaming machine.
- Access to a particular gaming machine device depends on the type of device. Input devices such as bill validators, coin acceptors, and card readers or output devices such as coupon dispensers or token dispensers are directly accessible. These devices have at least one access mechanism on the outside of the gaming machine so that the gaming machine may either accept money or indicia of credits from players desiring to play the game or pay-out money to a player playing a game. However, access to the mechanisms controlling the operation of these devices is usually behind one or more doors provided on the gaming machine exterior. The gaming controller and the money storage devices such as bill stackers and drop boxes are less accessible. These devices are usually only accessible after opening one or more doors or other barriers which limit access to these critical devices.
- The doors which allow access to the critical devices are often secured with keyed locks. For security, when any of these doors are opened, the gaming machine stops normal game play operation and switches to an attention state. Thus, it is necessary to detect whether a door is open or closed via an electronic means so that the operating software utilized by the gaming controller can take appropriate action.
- Another access mechanism to gaming devices including bill validators, coin acceptors, token dispensers, gaming controllers, and coupon dispensers is through wires which accept and transmit signals which control the operation of the device. Typically, during the operation of the gaming machine, many of the associated gaming devices are controlled in some manner by the gaming controller located within the gaming machine. The control of a gaming device is enabled by the wires which connect a gaming device to the gaming controller. For example, when a player is playing a game and receives a pay-out during the course of a game, the gaming controller may send out a signal to a coupon dispenser, located in some other part of the gaming machine away from the gaming controller, instructing the coupon dispenser to dispense a coupon representing the pay-out. Thus, access may be gained to a gaming device, via the wires connected to the gaming device.
- A common mode of theft for gaming machines involves accessing the devices which control the input and output of money to the gaming machine through some access mechanism and manipulating the devices in some manner to obtain an illegal pay-out. For example, one type of theft might involve simply taking money from a drop box while a gaming machine is being accessed for maintenance. Another type of theft might involve illegally gaining access to the gaming controller and reprogramming the gaming controller to pay-out an illegal jack pot. Another type of theft might involve compromising the wires to a coupon dispenser and sending a signal instructing it to dispense coupons with some monetary value.
- One method for preventing theft is installing a security system which monitors the various access mechanisms of a gaming machine. Typically, security systems of this type monitor access to the various entry ports within the gaming machine as well as the wires to some gaming devices. The security system monitors access to the entry port by sending out signals to sensors able to detect whether access to the entry port has occurred. Usually, the entry port contains a sensor device that forms some type of closed circuit when the entry port is closed and an open circuit when the entry port is open.
- Security monitoring of access to the gaming machine is usually implemented in some manner by the gaming controller during normal operations of the gaming machine in conjunction with some security monitoring hardware independent of the gaming controller. The security monitoring by the gaming controller is implemented while the gaming machine is receiving power from an external power source such as AC power from a power outlet. However, when such power is turned off, security monitoring may cease, providing opportunities for theft or other interference.
- In one arrangement, a security monitoring system that is separate from the gaming controller stores data regarding security events (such as a door opening) even when the gaming controller is powered down. When an entry port is opened, some information regarding this event is stored by the security monitoring system. For example, the security monitoring system might store information regarding whether a particular entry port was accessed during a particular period of time. This information can later be used to determine when a theft has occurred or when tampering with the gaming machine has occurred. However, such recorded information does not generally help to detect security breaches in real-time.
- A wager-based gaming machine according to an embodiment of the present invention includes a security interface module which provides security monitoring even when power is switched off to other portions of the gaming machine. Such a security interface module has a network connection that allows it to independently continue to communicate with a backend system. The security interface module may be located in a secure enclosure to limit access.
- A networked electronic wager-based gaming machine according to an embodiment of the present invention includes an electronic gaming module that has a first connection to a data network, the electronic gaming module receiving power over a first power connection that includes a power switch; and a security interface module that has a second connection to the data network, the security interface module receiving power over a second power connection that does not include the power switch so that the security interface module receives power independently of the power switch.
- A method of operating a networked wager-based gaming machine according to an embodiment of the present invention includes the steps of performing one or more security functions in an electronic gaming module, the electronic gaming module connected to a data network by a first data connection; monitoring power provided to the electronic gaming module; and in response to detecting a loss of power to the electronic gaming module, performing the one or more security functions in a security interface module, the security interface module connected to the data network by a second data connection, the security interface module receiving power separately from the electronic gaming module.
- A networked electronic wager-based gaming machine according to an embodiment of the present invention includes means for performing one or more security functions in an electronic gaming module, the electronic gaming module connected to a data network by a first data connection; means for monitoring power provided to the electronic gaming module; and means for performing the one or more security functions in a security interface module, the security interface module connected to the data network by a second data connection, the security interface module receiving power separately from the electronic gaming machine.
-
FIG. 1 shows an example of a wager-based gaming machine. -
FIG. 2 shows another example of a wager based gaming machine, with doors open to show internal components. -
FIG. 3 shows an example of a wager-based gaming machine that is connected to a network. -
FIG. 4 shows an example of a wager-based gaming machine that has a security interface module that monitors door switches and devices, and which has an independent network connection. -
FIG. 5 shows an example of a wager-based gaming machine that includes a security interface module protected by a secure enclosure. -
FIG. 6 shows an example of a wager based gaming machine with multiple components connected to a security interface module. -
FIG. 7 is a flowchart showing an example of operation of a security interface module in a wager-based gaming machine. - Turning first to
FIG. 1 , one example of avideo gaming machine 2 of the present invention is shown.Machine 2 includes amain cabinet 4, which generally surrounds the machine interior (not shown) and is viewable by users. The main cabinet includes amain door 8 on the front of the machine, which opens to provide access to the interior of the machine. Typically, themain door 8 and/or any other portals which provide access to the interior of the machine utilize a locking mechanism of some sort as a security feature to limit access to the interior of the gaming machine. Also, for further security, various types of sensors may be employed at these entry portals to determine when an access has occurred. For example, the sensor may detect when the door is actuated from a closed position to an open position. Monitoring of these sensors may be carried out by hardware (not shown) located within themain cabinet 4. Attached to the main door are player-input switches 32, acoin acceptor 28, and abill validator 30, acoin tray 38, abelly glass 40, and amonitor mask 42. Thebelly glass 40 has a door for maintenance purposes such as changing the glass or lights. This portal may provide indirect access to the interior of the gaming machine. For example, gaps may exist in the cabinet containing the lights for the belly glass. - Viewable through the main door is a
video display monitor 34 and aninformation panel 36. The display monitor 34 will typically be a cathode ray tube, high resolution flat-panel LCD, or other conventional electronically controlled video monitor. Theinformation panel 36 is a back-lit, silk screened glass panel with lettering to indicate general game information including, for example, the number of coins played. The bill validator 30, player-input switches 32,video display monitor 34, and information panel are devices used to play a game on thegame machine 2. The devices are controlled by circuitry (not shown) housed inside themain cabinet 4 of themachine 2. Many possible games, including traditional slot games, video slot games, video poker, keno, and lottery, may be provided with gaming machines of this invention. - The
gaming machine 2 includes atop box 6, which sits on top of themain cabinet 4. Thetop box 6 houses a number ofdevices including speakers display lamps 16, acoupon dispenser 18 which prints bar-codedtickets 20, akey pad 22 for entering player tracking information, aflorescent display 24 for displaying player tracking information, and acard reader 26 for entering a magnetic striped card containing player tracking information. Thetop box 6 may contain an entry portal of some type (not shown) to access the devices contained within the top box. This entry portal may contain a lock and sensors for monitoring access to the portal. Further, access to devices within thetop box 6 may be monitored. For example, thecoupon dispenser 18 may be used to print tickets for game credits. The coupon dispenser (not shown) may contain a door which allows access to the tickets utilized by the coupon dispenser. This entry portal may contain a lock and sensors for monitoring access to the portal. - The devices housed in the
top box 6 add features to a game played on themachine 2. During a game, these devices are controlled, in part, by circuitry (not shown) housed within themain cabinet 4 of themachine 2. Further, additional circuitry (not shown) housed within themain cabinet 4 may monitor access to thetop box 6 and possibly some devices within the top box. Cables (not shown) are routed from thetop box 6 to the interior of the gaming machine to enable these control and monitoring functions. - When a user wishes to play the
gaming machine 2, he or she inserts cash through thecoin acceptor 28 orbill validator 30. The bill validator 30 or a similar device may read tickets with game credits. The cash or game tokens from thecoin acceptor 28 andbill validator 30 may be stored in the interior of themain cabinet 4 in devices including note stackers, drop boxes, and token dispensers. At the start of the game, the player may enter playing tracking information using thecard reader 26, thekeypad 22, and theflorescent display 26. During the game, the player views game information using thevideo display 34. Usually, during the course of a game, a player is required to make a number of decisions, which affect the outcome of the game. The player makes these choices using the player-input switches 32. During certain game events, thegaming machine 2 may display visual and auditory effects that can be perceived by the player. These effects add to the excitement of a game, which makes a player more likely to continue playing. Auditory effects include various sounds that are projected by thespeakers gaming machine 2 including lights behind thefront glass 16 on thetop box 6 or from lights behind thebelly glass 40. After the player has completed a game, the player may receive game tokens from thecoin tray 38 or theticket 20 from theprinter 18, which may be used for further games. Further, the player may receive aticket 20 for food, merchandise, or games from theprinter 18. -
FIG. 2 is a perspective drawing of a gaming machine having atop box 212 with themain door 200 open and the interior of thegaming machine 2 exposed. Themain door 200 contains alocking mechanism 202 and amain door sensor 206. Typically, themain door sensor 206 or any type of access sensor may be composed of two parts. Usually, one part of the sensor may be an emitter while the other part of the sensor may be a detector. The emitter and detector act like a switch in a circuit. When the detector is able to receive a signal of some type from the emitter, the sensor circuit is closed and signals may be passed through the circuit. When the detector is unable to receive a signal from the emitter the circuit will be open and a signal may not be passed through the circuit. By monitoring signals passed through the circuit, the status of the circuit, either opened or closed, can be determined. For a door, the sensor emitter and sensor detector may be designed such that signals from the detector can only be received from the emitter when the door is closed. As examples, themain door sensor 206 may be composed of optical sensors which emit and detect light, magnetic sensors which emit and detect a magnetic field, or mechanical sensors which emit and detect current when the two parts of the sensor remain in contact with each other. Themain door sensor 206 may have a second part mounted (not shown) on the inside of themain cabinet 204 which enables a closed circuit when the door is closed. - Mounted on the bottom of the
main cabinet 204 and inside of themain door 200 may be anote stacker 220 and atoken dispenser 218. Thenote stacker 220 stores bills accepted from the bill validator. Thenote stacker 220 may contain adoor 221 which limits access to the bills stored within thenote stacker 220. Thenote stacker 220 is typically locked or secured in some manner. A sensor may be mounted on thenote stacker door 221 to detect when thenote stacker door 221 is accessed. Examples of access to the note stacker, which might be detected using a sensor of some type including an optical sensor, magnetic sensor or mechanical sensor, comprise opening a door to access the money stored within the note stacker or removing the note stacker from the gaming machine. In both of these cases, a sensor pair composed of an emitter and detector could be used in conjunction with sensor monitoring circuitry to determine when these events have occurred. Thetoken dispenser 218 accepts coins or tokens from the coin acceptor and pays out winning from the gaming machine. Thetoken dispenser 218 may dispense coins or tokens into thecoin tray 222 mounted on themain door 200 of thegaming machine 2. Thetoken dispenser 218 may contain adoor 219 which limits access to the tokens or coins stored within thetoken dispenser 218. Access to thetoken dispenser 218 may be monitored using a sensor of some type and monitoring circuitry. - The
gaming machine 2 is located on top of adrop stand 224. The drop stand 224 may contain adrop stand door 216 and adrop box 214 located within thedrop stand 224. Thedrop box 214 contains the house “take” from the gaming machine. Thedrop box 214 is typically locked within the drop stand 224 which may be accessed using the drop standdoor 216. The drop stand 224 door typically contains a locking mechanism to limit access to the drop box. Dropstand door 216 includes adoor sensor 217, which is connected to sensor monitoring circuitry to determine when the drop standdoor 216 has been opened. Dropstand door sensor 217 is similar tomain door sensor 206. -
Processor board 210, which includes a master gaming controller is also located in the interior of themain cabinet 204 of thegaming machine 2. The master gaming controller operates the games played on the gaming machine and the various devices needed to play to the game including thetoken dispenser 218 and thenote stacker 220. Access to the master gaming controller may be limited by one or more doors including themain door 200. Further, the master gaming controller, which may be detached from the gaming machine, may be locked down using an additional device such as a retaining latch for additional security. One or more sensors including optical sensors, magnetic sensors and mechanical sensors may be placed near the master gaming controller to determine when one or more of the following events has occurred: 1) when doors allowing access to the gaming controller have been opened, 2) when a lock down device including the retaining latch for the gaming controller has been actuated, 3) when the gaming controller has been removed from its mounting bracket, 4) when a data port that allows the gaming controller to be programmed has been accessed or 5) when a lock to one of the access mechanisms including the door or the retaining latch has been unengaged. The sensor monitoring circuitry used to monitor the various access sensors may be located on theprocessor board 210 containing the gaming controller. Such a processor board may form an Electronic Gaming Module (EGM), which integrates various functions of the gaming machine into a single unit to simplify manufacturing and operation of the gaming machine. In the example shown inFIG. 2 ,board 210 is the EGM, although in other systems, the EGM may include additional components. Information from the various sensors may be carried to the gaming controller via wires contained within awire harness 208 which go to the various devices and sensors located within themain cabinet 204,main door 200, andtop box 212. - The
top box 212 may be accessed via a topbox access door 213. The topbox access door 213 typically contains a locking mechanism to limit access to the top box and a sensor may be connected to sensor monitoring security to determine when the top box access door has been opened. Aprinter 226 may be located within thetop box 212. Theprinter 226 may print tickets or coupons that may be used for additional game play on thegaming machine 2 or other gaming machines. Thus, the tickets or coupons stored within theprinter 226 may be a target of theft. Access to theprinter 226 may be limited by aprinter access door 228. Theprinter access door 228 typically contains a locking mechanism to limit access to the printer and a sensor may be connected to sensor monitoring circuitry to determine when the printer access door has been opened. - A primary objective of the sensors and sensor monitoring circuitry may be gaming machine security. During gaming operations, the
gaming machine 2 may contain a significant amount of cash stored within the devices including thetoken dispenser 218, thedrop box 214, and thenote stacker 220. When themain door 200 or dropstand door 216 of thegaming machine 200 is open, these devices are more accessible and may become a target of theft. Sensors to monitor access to these devices may serve as a deterrent to theft. Further, themaster gaming controller 210 determines when a pay-out such as a jackpot should be made for a given game. For gaming machines linked in large networks, the potential jackpots can be very large. Thus, one mode of theft involves manipulating themaster gaming controller 210 to falsely reward a pay-out or jackpot. Thus, the sensors that indicate when access to the master gaming controller may have occurred are usually closely monitored using a security monitoring system of some type. - The invention described herein is not limited to the gaming machine configuration shown in
FIG. 2 . Gaming machines and their associated devices may be physically configured in many different ways. For example, the topbox access door 213 may be located on the sides or back of thetop box 212 or the drop standdoor 216 may be located on the sides or back of thedrop stand 224. As another example, a note stacker or other devices potentially requiring a security monitoring system of some type might be located within thetop box 212. -
FIG. 3 shows a simplified block diagram of a networked wager-basedgaming machine 300. The gaming machine includes anEGM 302, which in this example is a printed circuit board (PCB) on which a master gaming controller is mounted. TheEGM 302 is connected to a plurality of door switches 304 (door switches are represented here by a single box, but it will be understood that actual door switches are separate units that are distributed at different locations). TheEGM 302 is also shown as being connected to devices 306 (represented by a single box, although most systems have several devices connected to the EGM, including devices such as lights, coupon dispensers, card readers, bill validators, coin acceptors, coin hoppers, display panels, key pads, and gaming controllers). One such device that is important from a security perspective is an identification device to allow an employee to identify themselves to gain access to the gaming system. Such a device may be a card reader, an RFID reader, a keypad or other suitable device. Prior to opening a door, an employee may be able to identify themselves using such a device so that an alarm is not sent when a door open switch detects a door opening. Such an identification device may be integrated with other devices. For example, a player tracking unit that reads a player's card or RFID to determine the player's identity may also identify an employee. Alternatively, an employee identification device may be a separate dedicated device. - The
EGM 302 ofFIG. 3 is connected to adata network 308. Such a network connection to a gaming machine provides many advantages. In particular, a gaming machine may be reconfigured over a network so that games can be upgraded or replaced without physically accessing the gaming machine. This is particularly advantageous where a casino for example has a large number of gaming machines that need to be reconfigured. Whereas physically accessing each gaming machine can be time-consuming and may carry some risk of interference with gaming machines when they are opened, accessing gaming machines over a network can be faster and more secure. Abackend unit 310 is connected to the network and may control and monitor aspects of the operation of the gaming machine. Thebackend unit 310 may include functions such a player tracking and certain security functions. In particular, any security related event, such as activation of a door switch, or other unauthorized access would generally be reported to thebackend unit 310, where a determination can be made as to how to deal with the event. For example, an alarm may be sent to security staff who can direct cameras to the gaming machine where the event is occurring. - The
EGM 302 is also connected to a source of electrical power (AC input) 312, which is typically an electrical outlet located under or behind the gaming machine. Aswitch 314 is provided to power down theEGM 302. Typically, such a switch is located where it is only accessible to authorized employees. One drawback of the system ofFIG. 3 is that when theEGM 302 is powered down by turning theswitch 314 off, security functions are no longer provided by theEGM 302. Also, when theEGM 302 is powered down, the network connection to the EGM is unavailable so that no security information is sent to thebackend unit 310. This means that no remote monitoring of thegaming machine 300 is performed when theEGM 302 is switched off. -
FIG. 4 shows analternative gaming machine 420 in which a Security Interface Module (SIM) 422 is provided. AnEGM 424 is provided as before, with a switchedAC input 426, and a network connection tonetwork 428. However, here theSIM 422 has anunswitched AC input 430. That is, the power to theSIM 422 is independent of theswitch 432 controlling power to theEGM 424. Thus, even when theEGM 424 is powered down, theSIM 422 remains powered up. TheSIM 422 can maintain security even when power is switched off to theEGM 424. AsFIG. 4 shows, the door switches 434 anddevices 436 are connected to theSIM 422, which monitors door switches and devices in a similar manner to the EGM. TheSIM 422 also has itsown network connection 438 so that it can communicate with the backend unit 442 (via the network) independently of the EGM. - In some examples, the
SIM 422 performs security functions at all times (whether theEGM 424 is powered up or not), in which case theEGM 424 may not even be connected to door switches 434 and some devices 436 (dotted lines indicate connections that may or may not be present, depending on particular implementation). In other examples, theEGM 424 performs security functions when it is powered up, and theSIM 422 only performs security functions when the EGM loses power. In this case, theSIM 422 must be aware of the status of the EGM 424 (as either powered up or powered down). TheSIM 422 can become aware of the status of theEGM 424 by adedicated connection 440 to the EGM by which the SIM monitors the EGM. Alternatively, thebackend unit 442 can detect powering down of theEGM 424 and can alert theSIM 422 that theEGM 424 is powered down. In response, theSIM 422 starts to perform security functions. - In yet another arrangement, monitoring of security functions may be performed by both the
EGM 424 and theSIM 422 in parallel. Both theEGM 424 and theSIM 422 may report back to thebackend unit 442, so that there is redundancy provided in monitoring, making it harder for anyone to interfere with the security functions. Input received by thebackend unit 442 from theEGM 424 and theSIM 422 may be compared to determine if there is any discrepancy. If there is a discrepancy between information received from theEGM 424 and theSIM 422, then appropriate action may be taken (e.g. an alarm may be sent). In other examples, such redundancy may be taken further, with separate networks provided for the EGM and the SIM. -
FIG. 5 shows anothergaming machine 550, which is similar to thegaming machine 420 ofFIG. 4 , but with asecure enclosure 552 provided for theSIM 554. Thesecure enclosure 552 may be for example a locked steel box, which makes access to theSIM 554 very difficult for a criminal. Included in thesecure enclosure 552 is abattery 556, which provides power independently of theAC input 558. In this case, even if power is removed to theentire gaming machine 550, theSIM 554 continues to operate and monitordoor switches 560 anddevices 562.Network 564 may also have some emergency power supplies so that thenetwork 564 continues to function without power and thebackend unit 566 can continue to monitor gaming machines when power is removed. -
FIG. 6 shows a more detailed view of agaming machine 668 that includes aSIM 670 and an EGM 672 (which may be in a secure enclosure with its own power supply). In particular,FIG. 6 shows theSIM 670 located in thegaming machine 668, with connection to door switches 674 a-c in both thegaming machine 668 itself and in the machine stand 676 on which the gaming machine is positioned. While theSIM 670 is shown as being located in thegaming machine 668, in other examples, the SIM may be located in the machine stand or in a top box, or in some other location.FIG. 6 also shows that theSIM 670 is connected to a communication network through a secondary system communications link 678 (the EGM is connected through a primary system communications link 680). This means that theSIM 670 can communicate with a backend unit independently of theEGM 672. TheSIM 670 also has connections to various devices including apersonal identification device 682, aservice window 684, and abill validator 686 so that the SIM can monitor these devices for any security events. TheSIM 670 also has a direct connection to theEGM 672 so that the SIM can monitor the status of the EGM and can detect when the EGM changes between powered-up and powered-down conditions. Some devices are connected to both theEGM 672 and the SIM 670 (e.g.personal identification device 682, and service window 684) and the SIM may perform monitoring of these devices when the EGM is powered down. TheSIM 670 is connected to apower supply 688 that receives power from anunswitched power source 690 so that the SIM does not lose power when the power to the gaming machine is switched off. -
FIG. 7 shows aflowchart 701 which shows operation of a gaming machine according to an embodiment. A determination is made 703 as to whether the EGM has power or not. This determination can be made by the SIM, by the backend system, or by another unit. If it is determined that the EGM has power then the EGM reports all events to thebackend system 705, and the SIM reports security events to thebackend system 707. The EGM may provide an output to theservice window 709 that indicates that it has power and the SIM may also provide an output to theservice window 709 indicating that it is operational. Both the EGM and SIM communicate with thepersonal identification device 711 in this case, so that both modules monitor the identity of people interacting with the gaming machine. If it is determined that the EGM does not have power, the EGM does not report to thebackend system 713, and a signal may be passed to thebackend system 715 indicating that the EGM is unavailable. The SIM alone reportssecurity events 707 to thebackend system 715 in this case. The SIM receives power from anunswitched power source 717 so that it continues to receive power even when the EGM is powered down. - Techniques and mechanisms of embodiments described herein may sometimes be described in singular form for clarity. However, it should be noted that particular embodiments include multiple iterations of a technique or multiple instantiations of a mechanism unless noted otherwise.
- Although several preferred embodiments of this invention have been described in detail herein with reference to the accompanying drawings, it is to be understood that the invention is not limited to these precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of spirit of the invention as defined in the appended claims.
Claims (17)
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WO2019168749A1 (en) * | 2018-03-01 | 2019-09-06 | Ags Llc | Gaming system having boot locked validation of program installs, data installs and program launches |
US10713888B2 (en) | 2018-03-01 | 2020-07-14 | Ags Llc | Gaming system having boot locked validation of program installs, data installs and program launches |
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Also Published As
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US20120142412A1 (en) | 2012-06-07 |
US8142290B2 (en) | 2012-03-27 |
US8545318B2 (en) | 2013-10-01 |
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